This week’s new moon, on Wednesday, Jan. 29, will signal the beginning of the Chinese Lunar New Year, which is this year ...

For a few brief evenings around February 28, every planet in our solar system will be visible at once, with Mercury making a ...

The case of mistaken identity was quickly resolved, but astronomers say it shows the need for transparency around craft in ...

Four compact satellites of NASA's PUNCH mission are prepping for a shared launch with the SPHEREx space telescope on a SpaceX ...

ESA's groundbreaking Proba-3 mission has successfully initiated its formation-flying phase, with two spacecraft now set to ...

While planets circle the sun in what's called and heliocentric orbit, they rarely fall together in what appears to the human ...

While claims of a “rare alignment” are overblown, you can still see up to six planets in the night sky this weekend. Here's ...

Six planets are parading across the sky, appearing as some of the night's brightest stars. A few easy tips can help you ...

Firefly Aerospace's Blue Ghost moon lander caught haunting images of Earth while preparing to make its way towards lunar ...

Early 2025 is a good time for skygazing and spotting up to seven planets in the night sky – if you have a little help.

Comet ATLAS (C/2024 G3) came within 8.3 million miles of the sun on January 13 as it reached its perihelion, and is now disintegrating.

Saturn’s rings, imaged here by NASA’s Cassini orbiter, are one of the solar system’s most reliably spectacular sights. But ...